30770013545 has 4 divisors (see below), whose sum is σ = 36924016260. Its totient is φ = 24616010832.

The previous prime is 30770013541. The next prime is 30770013551. The reversal of 30770013545 is 54531007703.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22167636544 + 8602377001 = 148888^2 + 92749^2 .

It is a cyclic number.

It is not a de Polignac number, because 30770013545 - 2² = 30770013541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30770013541) 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, 3077001350 + ... + 3077001359.

It is an arithmetic number, because the mean of its divisors is an integer number (9231004065).

Almost surely, 2^30770013545 is an apocalyptic number.

It is an amenable number.

30770013545 is a deficient number, since it is larger than the sum of its proper divisors (6154002715).

30770013545 is an equidigital number, since it uses as much as digits as its factorization.

30770013545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6154002714.

The product of its (nonzero) digits is 44100, while the sum is 35.

The spelling of 30770013545 in words is "thirty billion, seven hundred seventy million, thirteen thousand, five hundred forty-five".