427376155651 has 4 divisors (see below), whose sum is σ = 427482498600. Its totient is φ = 427269812704.

The previous prime is 427376155627. The next prime is 427376155673. The reversal of 427376155651 is 156551673724.

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 427376155651 - 2¹⁹ = 427375631363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427376155621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53165446 + ... + 53173483.

It is an arithmetic number, because the mean of its divisors is an integer number (106870624650).

Almost surely, 2^427376155651 is an apocalyptic number.

427376155651 is a deficient number, since it is larger than the sum of its proper divisors (106342949).

427376155651 is a wasteful number, since it uses less digits than its factorization.

427376155651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106342948.

The product of its digits is 5292000, while the sum is 52.

The spelling of 427376155651 in words is "four hundred twenty-seven billion, three hundred seventy-six million, one hundred fifty-five thousand, six hundred fifty-one".