3333721401 has 8 divisors (see below), whose sum is σ = 4938846560. Its totient is φ = 2222480916.

The previous prime is 3333721397. The next prime is 3333721463. The reversal of 3333721401 is 1041273333.

3333721401 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3333721401 - 2² = 3333721397 is a prime.

It is a super-2 number, since 2×3333721401² = 22227396758970805602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 123471163 = 3333721401 / (3 + 3 + 3 + 3 + 7 + 2 + 1 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3333721801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61735555 + ... + 61735608.

It is an arithmetic number, because the mean of its divisors is an integer number (617355820).

Almost surely, 2^3333721401 is an apocalyptic number.

It is an amenable number.

3333721401 is a deficient number, since it is larger than the sum of its proper divisors (1605125159).

3333721401 is a wasteful number, since it uses less digits than its factorization.

3333721401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123471172 (or 123471166 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 3333721401 is about 57738.3875857302. The cubic root of 3333721401 is about 1493.8595495457.

Adding to 3333721401 its reverse (1041273333), we get a palindrome (4374994734).

The spelling of 3333721401 in words is "three billion, three hundred thirty-three million, seven hundred twenty-one thousand, four hundred one".