42377156651 has 4 divisors (see below), whose sum is σ = 42773204952. Its totient is φ = 41981108352.

The previous prime is 42377156639. The next prime is 42377156659. The reversal of 42377156651 is 15665177324.

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

It is a cyclic number.

It is not a de Polignac number, because 42377156651 - 2¹⁰ = 42377155627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42377156596 and 42377156605.

It is not an unprimeable number, because it can be changed into a prime (42377156659) 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 3 ways as a sum of consecutive naturals, for example, 198023990 + ... + 198024203.

It is an arithmetic number, because the mean of its divisors is an integer number (10693301238).

Almost surely, 2^42377156651 is an apocalyptic number.

42377156651 is a deficient number, since it is larger than the sum of its proper divisors (396048301).

42377156651 is a wasteful number, since it uses less digits than its factorization.

42377156651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396048300.

The product of its digits is 1058400, while the sum is 47.

The spelling of 42377156651 in words is "forty-two billion, three hundred seventy-seven million, one hundred fifty-six thousand, six hundred fifty-one".