42437557953 has 12 divisors (see below), whose sum is σ = 70055651328. Its totient is φ = 24250033080.

The previous prime is 42437557951. The next prime is 42437557993. The reversal of 42437557953 is 35975573424.

42437557953 is a `hidden beast` number, since 4 + 2 + 4 + 37 + 557 + 9 + 53 = 666.

It is not a de Polignac number, because 42437557953 - 2¹ = 42437557951 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42437557953.

It is not an unprimeable number, because it can be changed into a prime (42437557951) 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, 336805953 + ... + 336806078.

It is an arithmetic number, because the mean of its divisors is an integer number (5837970944).

Almost surely, 2^42437557953 is an apocalyptic number.

It is an amenable number.

42437557953 is a deficient number, since it is larger than the sum of its proper divisors (27618093375).

42437557953 is a wasteful number, since it uses less digits than its factorization.

42437557953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673612044 (or 673612041 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 54.

The spelling of 42437557953 in words is "forty-two billion, four hundred thirty-seven million, five hundred fifty-seven thousand, nine hundred fifty-three".