607115720021 has 4 divisors (see below), whose sum is σ = 642828409452. Its totient is φ = 571403030592.

The previous prime is 607115720017. The next prime is 607115720023. The reversal of 607115720021 is 120027511706.

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 308902524100 + 298213195921 = 555790^2 + 546089^2 .

It is not a de Polignac number, because 607115720021 - 2² = 607115720017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 607115720021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (607115720023) 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, 17856344690 + ... + 17856344723.

It is an arithmetic number, because the mean of its divisors is an integer number (160707102363).

Almost surely, 2^607115720021 is an apocalyptic number.

It is an amenable number.

607115720021 is a deficient number, since it is larger than the sum of its proper divisors (35712689431).

607115720021 is a wasteful number, since it uses less digits than its factorization.

607115720021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35712689430.

The product of its (nonzero) digits is 5880, while the sum is 32.

The spelling of 607115720021 in words is "six hundred seven billion, one hundred fifteen million, seven hundred twenty thousand, twenty-one".