49479631 has 2 divisors, whose sum is σ = 49479632. Its totient is φ = 49479630.

The previous prime is 49479613. The next prime is 49479641. The reversal of 49479631 is 13697494.

Together with previous prime (49479613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49479631 - 2¹³ = 49471439 is a prime.

It is a super-2 number, since 2×49479631² = 4896467767792322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49479611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24739815 + 24739816.

It is an arithmetic number, because the mean of its divisors is an integer number (24739816).

Almost surely, 2^49479631 is an apocalyptic number.

49479631 is a deficient number, since it is larger than the sum of its proper divisors (1).

49479631 is an equidigital number, since it uses as much as digits as its factorization.

49479631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 49479631 is about 7034.1759289913. The cubic root of 49479631 is about 367.1206531857.

The spelling of 49479631 in words is "forty-nine million, four hundred seventy-nine thousand, six hundred thirty-one".