1049506451 has 12 divisors (see below), whose sum is σ = 1238053680. Its totient is φ = 886903920.

The previous prime is 1049506411. The next prime is 1049506481. The reversal of 1049506451 is 1546059401.

It is a de Polignac number, because none of the positive numbers 2^k-1049506451 is a prime.

It is a super-2 number, since 2×1049506451² = 2202927581381230802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1049506411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147356 + ... + 154313.

It is an arithmetic number, because the mean of its divisors is an integer number (103171140).

Almost surely, 2^1049506451 is an apocalyptic number.

1049506451 is a deficient number, since it is larger than the sum of its proper divisors (188547229).

1049506451 is an equidigital number, since it uses as much as digits as its factorization.

1049506451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301754 (or 301747 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 1049506451 is about 32396.0869704969. The cubic root of 1049506451 is about 1016.2370806167.

The spelling of 1049506451 in words is "one billion, forty-nine million, five hundred six thousand, four hundred fifty-one".