42920273892737 has 16 divisors (see below), whose sum is σ = 43525115112960. Its totient is φ = 42319068759552.

The previous prime is 42920273892667. The next prime is 42920273892757. The reversal of 42920273892737 is 73729837202924.

It is a cyclic number.

It is not a de Polignac number, because 42920273892737 - 2²⁴ = 42920257115521 is a prime.

It is a super-2 number, since 2×42920273892737² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42920273892757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761388089 + ... + 761444457.

It is an arithmetic number, because the mean of its divisors is an integer number (2720319694560).

Almost surely, 2^{42920273892737} is an apocalyptic number.

It is an amenable number.

42920273892737 is a deficient number, since it is larger than the sum of its proper divisors (604841220223).

42920273892737 is a wasteful number, since it uses less digits than its factorization.

42920273892737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88432.

The product of its (nonzero) digits is 128024064, while the sum is 65.

The spelling of 42920273892737 in words is "forty-two trillion, nine hundred twenty billion, two hundred seventy-three million, eight hundred ninety-two thousand, seven hundred thirty-seven".