49999476311231 has 2 divisors, whose sum is σ = 49999476311232. Its totient is φ = 49999476311230.

The previous prime is 49999476311201. The next prime is 49999476311243. The reversal of 49999476311231 is 13211367499994.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49999476311231 is a prime.

It is a super-2 number, since 2×49999476311231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49999476311201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999738155615 + 24999738155616.

It is an arithmetic number, because the mean of its divisors is an integer number (24999738155616).

Almost surely, 2^{49999476311231} is an apocalyptic number.

49999476311231 is a deficient number, since it is larger than the sum of its proper divisors (1).

49999476311231 is an equidigital number, since it uses as much as digits as its factorization.

49999476311231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79361856, while the sum is 68.

The spelling of 49999476311231 in words is "forty-nine trillion, nine hundred ninety-nine billion, four hundred seventy-six million, three hundred eleven thousand, two hundred thirty-one".