1049998451 has 2 divisors, whose sum is σ = 1049998452. Its totient is φ = 1049998450.

The previous prime is 1049998441. The next prime is 1049998459. The reversal of 1049998451 is 1548999401.

It is a strong prime.

It is an emirp because it is prime and its reverse (1548999401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1049998451 is a prime.

It is a super-2 number, since 2×1049998451² = 2204993494204798802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1049998451.

It is not a weakly prime, because it can be changed into another prime (1049998459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524999225 + 524999226.

It is an arithmetic number, because the mean of its divisors is an integer number (524999226).

Almost surely, 2^1049998451 is an apocalyptic number.

1049998451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049998451 is an equidigital number, since it uses as much as digits as its factorization.

1049998451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 1049998451 is about 32403.6795904416. The cubic root of 1049998451 is about 1016.3958570057.

The spelling of 1049998451 in words is "one billion, forty-nine million, nine hundred ninety-eight thousand, four hundred fifty-one".