3620864157245 has 8 divisors (see below), whose sum is σ = 4345072032480. Its totient is φ = 2896667963280.

The previous prime is 3620864157221. The next prime is 3620864157263. The reversal of 3620864157245 is 5427514680263.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3620864157245 - 2²⁰ = 3620863108669 is a prime.

It is a super-2 number, since 2×3620864157245² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2223251 + ... + 3490640.

It is an arithmetic number, because the mean of its divisors is an integer number (543134004060).

Almost surely, 2^{3620864157245} is an apocalyptic number.

It is an amenable number.

3620864157245 is a deficient number, since it is larger than the sum of its proper divisors (724207875235).

3620864157245 is a wasteful number, since it uses less digits than its factorization.

3620864157245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840635.

The product of its (nonzero) digits is 9676800, while the sum is 53.

The spelling of 3620864157245 in words is "three trillion, six hundred twenty billion, eight hundred sixty-four million, one hundred fifty-seven thousand, two hundred forty-five".