10049091551 has 4 divisors (see below), whose sum is σ = 10049596752. Its totient is φ = 10048586352.

The previous prime is 10049091541. The next prime is 10049091599. The reversal of 10049091551 is 15519094001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10049091551 - 2⁶ = 10049091487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10049091511) 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, 221486 + ... + 262971.

It is an arithmetic number, because the mean of its divisors is an integer number (2512399188).

Almost surely, 2^10049091551 is an apocalyptic number.

10049091551 is a deficient number, since it is larger than the sum of its proper divisors (505201).

10049091551 is an equidigital number, since it uses as much as digits as its factorization.

10049091551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505200.

The product of its (nonzero) digits is 8100, while the sum is 35.

The spelling of 10049091551 in words is "ten billion, forty-nine million, ninety-one thousand, five hundred fifty-one".