615405790641 has 8 divisors (see below), whose sum is σ = 820727177760. Its totient is φ = 410177465312.

The previous prime is 615405790633. The next prime is 615405790667. The reversal of 615405790641 is 146097504516.

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

It is a cyclic number.

It is not a de Polignac number, because 615405790641 - 2³ = 615405790633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (615405790621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23250015 + ... + 23276468.

It is an arithmetic number, because the mean of its divisors is an integer number (102590897220).

Almost surely, 2^615405790641 is an apocalyptic number.

It is an amenable number.

615405790641 is a deficient number, since it is larger than the sum of its proper divisors (205321387119).

615405790641 is a wasteful number, since it uses less digits than its factorization.

615405790641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46530895.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 615405790641 in words is "six hundred fifteen billion, four hundred five million, seven hundred ninety thousand, six hundred forty-one".