49880427173 has 2 divisors, whose sum is σ = 49880427174. Its totient is φ = 49880427172.

The previous prime is 49880427109. The next prime is 49880427203. The reversal of 49880427173 is 37172408894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46441543009 + 3438884164 = 215503^2 + 58642^2 .

It is a cyclic number.

It is not a de Polignac number, because 49880427173 - 2⁶ = 49880427109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49880427973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24940213586 + 24940213587.

It is an arithmetic number, because the mean of its divisors is an integer number (24940213587).

Almost surely, 2^49880427173 is an apocalyptic number.

It is an amenable number.

49880427173 is a deficient number, since it is larger than the sum of its proper divisors (1).

49880427173 is an equidigital number, since it uses as much as digits as its factorization.

49880427173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 49880427173 in words is "forty-nine billion, eight hundred eighty million, four hundred twenty-seven thousand, one hundred seventy-three".