4635091791572 has 36 divisors (see below), whose sum is σ = 8927382859668. Its totient is φ = 2104134172800.

The previous prime is 4635091791571. The next prime is 4635091791599. The reversal of 4635091791572 is 2751971905364.

It can be written as a sum of positive squares in 2 ways, for example, as 1248144777616 + 3386947013956 = 1117204^2 + 1840366^2 .

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4635091791571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5820329 + ... + 6568592.

It is an arithmetic number, because the mean of its divisors is an integer number (247982857213).

Almost surely, 2^{4635091791572} is an apocalyptic number.

It is an amenable number.

4635091791572 is a deficient number, since it is larger than the sum of its proper divisors (4292291068096).

4635091791572 is a wasteful number, since it uses less digits than its factorization.

4635091791572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12389720 (or 12389707 counting only the distinct ones).

The product of its (nonzero) digits is 14288400, while the sum is 59.

The spelling of 4635091791572 in words is "four trillion, six hundred thirty-five billion, ninety-one million, seven hundred ninety-one thousand, five hundred seventy-two".