49407863 has 2 divisors, whose sum is σ = 49407864. Its totient is φ = 49407862.

The previous prime is 49407859. The next prime is 49407881. The reversal of 49407863 is 36870494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49407863 - 2² = 49407859 is a prime.

It is a super-2 number, since 2×49407863² = 4882273852453538, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49407863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49407833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24703931 + 24703932.

It is an arithmetic number, because the mean of its divisors is an integer number (24703932).

Almost surely, 2^49407863 is an apocalyptic number.

49407863 is a deficient number, since it is larger than the sum of its proper divisors (1).

49407863 is an equidigital number, since it uses as much as digits as its factorization.

49407863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 49407863 is about 7029.0726984432. The cubic root of 49407863 is about 366.9430699161.

The spelling of 49407863 in words is "forty-nine million, four hundred seven thousand, eight hundred sixty-three".