30772471601 has 4 divisors (see below), whose sum is σ = 30775113204. Its totient is φ = 30769830000.

The previous prime is 30772471591. The next prime is 30772471643. The reversal of 30772471601 is 10617427703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10617427703 = 719 ⋅14766937.

It can be written as a sum of positive squares in 2 ways, for example, as 18865297201 + 11907174400 = 137351^2 + 109120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30772471601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30772471661) 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, 1303250 + ... + 1326651.

It is an arithmetic number, because the mean of its divisors is an integer number (7693778301).

Almost surely, 2^30772471601 is an apocalyptic number.

It is an amenable number.

30772471601 is a deficient number, since it is larger than the sum of its proper divisors (2641603).

30772471601 is a wasteful number, since it uses less digits than its factorization.

30772471601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641602.

The product of its (nonzero) digits is 49392, while the sum is 38.

The spelling of 30772471601 in words is "thirty billion, seven hundred seventy-two million, four hundred seventy-one thousand, six hundred one".