6154742631 has 16 divisors (see below), whose sum is σ = 8267043456. Its totient is φ = 4072878816.

The previous prime is 6154742597. The next prime is 6154742653. The reversal of 6154742631 is 1362474516.

It is a happy number.

It is not a de Polignac number, because 6154742631 - 2⁶ = 6154742567 is a prime.

It is a super-2 number, since 2×6154742631² = 75761713707697604322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6154742631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6154741631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324496 + ... + 342938.

It is an arithmetic number, because the mean of its divisors is an integer number (516690216).

Almost surely, 2^6154742631 is an apocalyptic number.

6154742631 is a deficient number, since it is larger than the sum of its proper divisors (2112300825).

6154742631 is a wasteful number, since it uses less digits than its factorization.

6154742631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19262.

The product of its digits is 120960, while the sum is 39.

The square root of 6154742631 is about 78452.1677903167. The cubic root of 6154742631 is about 1832.6096355264.

The spelling of 6154742631 in words is "six billion, one hundred fifty-four million, seven hundred forty-two thousand, six hundred thirty-one".