113772072949 has 2 divisors, whose sum is σ = 113772072950. Its totient is φ = 113772072948.

The previous prime is 113772072917. The next prime is 113772073007. The reversal of 113772072949 is 949270277311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92157780625 + 21614292324 = 303575^2 + 147018^2 .

It is a cyclic number.

It is not a de Polignac number, because 113772072949 - 2⁵ = 113772072917 is a prime.

It is a super-2 number, since 2×113772072949² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113772072896 and 113772072905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113775072949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56886036474 + 56886036475.

It is an arithmetic number, because the mean of its divisors is an integer number (56886036475).

Almost surely, 2^113772072949 is an apocalyptic number.

It is an amenable number.

113772072949 is a deficient number, since it is larger than the sum of its proper divisors (1).

113772072949 is an equidigital number, since it uses as much as digits as its factorization.

113772072949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 52.

The spelling of 113772072949 in words is "one hundred thirteen billion, seven hundred seventy-two million, seventy-two thousand, nine hundred forty-nine".