42199100750691 has 8 divisors (see below), whose sum is σ = 62517186297360. Its totient is φ = 28132733833776.

The previous prime is 42199100750689. The next prime is 42199100750753. The reversal of 42199100750691 is 19605700199124.

It is a happy number.

42199100750691 is a `hidden beast` number, since 4 + 21 + 9 + 9 + 100 + 7 + 506 + 9 + 1 = 666.

It is not a de Polignac number, because 42199100750691 - 2¹ = 42199100750689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42199100750641) 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, 781464828690 + ... + 781464828743.

It is an arithmetic number, because the mean of its divisors is an integer number (7814648287170).

Almost surely, 2^{42199100750691} is an apocalyptic number.

42199100750691 is a deficient number, since it is larger than the sum of its proper divisors (20318085546669).

42199100750691 is a wasteful number, since it uses less digits than its factorization.

42199100750691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562929657442 (or 1562929657436 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The spelling of 42199100750691 in words is "forty-two trillion, one hundred ninety-nine billion, one hundred million, seven hundred fifty thousand, six hundred ninety-one".