101913049 has 4 divisors (see below), whose sum is σ = 116472064. Its totient is φ = 87354036.

The previous prime is 101913043. The next prime is 101913083. The reversal of 101913049 is 940319101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 101913049 - 2¹¹ = 101911001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101913043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7279497 + ... + 7279510.

It is an arithmetic number, because the mean of its divisors is an integer number (29118016).

Almost surely, 2^101913049 is an apocalyptic number.

It is an amenable number.

101913049 is a deficient number, since it is larger than the sum of its proper divisors (14559015).

101913049 is an equidigital number, since it uses as much as digits as its factorization.

101913049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14559014.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 101913049 is about 10095.1993046200. The cubic root of 101913049 is about 467.1000691913.

The spelling of 101913049 in words is "one hundred one million, nine hundred thirteen thousand, forty-nine".