42700157621 has 8 divisors (see below), whose sum is σ = 46584151488. Its totient is φ = 38816524000.

The previous prime is 42700157587. The next prime is 42700157659. The reversal of 42700157621 is 12675100724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42700157621 - 2¹⁸ = 42699895477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42700157321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197801 + ... + 352881.

It is an arithmetic number, because the mean of its divisors is an integer number (5823018936).

Almost surely, 2^42700157621 is an apocalyptic number.

It is an amenable number.

42700157621 is a deficient number, since it is larger than the sum of its proper divisors (3883993867).

42700157621 is a wasteful number, since it uses less digits than its factorization.

42700157621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180123.

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 42700157621 in words is "forty-two billion, seven hundred million, one hundred fifty-seven thousand, six hundred twenty-one".