49945190401 has 4 divisors (see below), whose sum is σ = 50690641072. Its totient is φ = 49199739732.

The previous prime is 49945190359. The next prime is 49945190417. The reversal of 49945190401 is 10409154994.

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 a cyclic number.

It is not a de Polignac number, because 49945190401 - 2²⁹ = 49408319489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49945190441) 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, 372725235 + ... + 372725368.

It is an arithmetic number, because the mean of its divisors is an integer number (12672660268).

Almost surely, 2^49945190401 is an apocalyptic number.

It is an amenable number.

49945190401 is a deficient number, since it is larger than the sum of its proper divisors (745450671).

49945190401 is an equidigital number, since it uses as much as digits as its factorization.

49945190401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745450670.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 49945190401 in words is "forty-nine billion, nine hundred forty-five million, one hundred ninety thousand, four hundred one".