4274652781 has 4 divisors (see below), whose sum is σ = 4885317472. Its totient is φ = 3663988092.

The previous prime is 4274652763. The next prime is 4274652793. The reversal of 4274652781 is 1872564724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4274652781 - 2⁹ = 4274652269 is a prime.

It is a super-2 number, since 2×4274652781² = 36545312796222067922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4274652721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305332335 + ... + 305332348.

It is an arithmetic number, because the mean of its divisors is an integer number (1221329368).

Almost surely, 2^4274652781 is an apocalyptic number.

It is an amenable number.

4274652781 is a deficient number, since it is larger than the sum of its proper divisors (610664691).

4274652781 is an equidigital number, since it uses as much as digits as its factorization.

4274652781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610664690.

The product of its digits is 752640, while the sum is 46.

The square root of 4274652781 is about 65380.8288491359. The cubic root of 4274652781 is about 1622.9318422878.

The spelling of 4274652781 in words is "four billion, two hundred seventy-four million, six hundred fifty-two thousand, seven hundred eighty-one".