4249749458951 has 2 divisors, whose sum is σ = 4249749458952. Its totient is φ = 4249749458950.

The previous prime is 4249749458921. The next prime is 4249749458959. The reversal of 4249749458951 is 1598549479424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4249749458951 - 2³⁸ = 3974871552007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4249749458959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124874729475 + 2124874729476.

It is an arithmetic number, because the mean of its divisors is an integer number (2124874729476).

Almost surely, 2^{4249749458951} is an apocalyptic number.

4249749458951 is a deficient number, since it is larger than the sum of its proper divisors (1).

4249749458951 is an equidigital number, since it uses as much as digits as its factorization.

4249749458951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 522547200, while the sum is 71.

The spelling of 4249749458951 in words is "four trillion, two hundred forty-nine billion, seven hundred forty-nine million, four hundred fifty-eight thousand, nine hundred fifty-one".