42914040797 has 4 divisors (see below), whose sum is σ = 45438396156. Its totient is φ = 40389685440.

The previous prime is 42914040773. The next prime is 42914040811. The reversal of 42914040797 is 79704041924.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26430305476 + 16483735321 = 162574^2 + 128389^2 .

It is a cyclic number.

It is not a de Polignac number, because 42914040797 - 2⁶ = 42914040733 is a prime.

It is a super-2 number, since 2×42914040797² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42914090797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262177654 + ... + 1262177687.

It is an arithmetic number, because the mean of its divisors is an integer number (11359599039).

Almost surely, 2^42914040797 is an apocalyptic number.

It is an amenable number.

42914040797 is a deficient number, since it is larger than the sum of its proper divisors (2524355359).

42914040797 is a wasteful number, since it uses less digits than its factorization.

42914040797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524355358.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 42914040797 in words is "forty-two billion, nine hundred fourteen million, forty thousand, seven hundred ninety-seven".