245785603407 has 32 divisors (see below), whose sum is σ = 353400309504. Its totient is φ = 151380364800.

The previous prime is 245785603387. The next prime is 245785603423. The reversal of 245785603407 is 704306587542.

It is a happy number.

It is not a de Polignac number, because 245785603407 - 2³⁵ = 211425865039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 245785603407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245785603477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1447048 + ... + 1607954.

It is an arithmetic number, because the mean of its divisors is an integer number (11043759672).

Almost surely, 2^245785603407 is an apocalyptic number.

245785603407 is a deficient number, since it is larger than the sum of its proper divisors (107614706097).

245785603407 is a wasteful number, since it uses less digits than its factorization.

245785603407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161479.

The product of its (nonzero) digits is 5644800, while the sum is 51.

The spelling of 245785603407 in words is "two hundred forty-five billion, seven hundred eighty-five million, six hundred three thousand, four hundred seven".