42927492651 has 8 divisors (see below), whose sum is σ = 57251979840. Its totient is φ = 28610666952.

The previous prime is 42927492649. The next prime is 42927492679. The reversal of 42927492651 is 15629472924.

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

It is not a de Polignac number, because 42927492651 - 2¹ = 42927492649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42927492594 and 42927492603.

It is not an unprimeable number, because it can be changed into a prime (42927492691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1902285 + ... + 1924718.

It is an arithmetic number, because the mean of its divisors is an integer number (7156497480).

Almost surely, 2^42927492651 is an apocalyptic number.

42927492651 is a deficient number, since it is larger than the sum of its proper divisors (14324487189).

42927492651 is a wasteful number, since it uses less digits than its factorization.

42927492651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830745.

The product of its digits is 2177280, while the sum is 51.

The spelling of 42927492651 in words is "forty-two billion, nine hundred twenty-seven million, four hundred ninety-two thousand, six hundred fifty-one".