749401554337 has 2 divisors, whose sum is σ = 749401554338. Its totient is φ = 749401554336.

The previous prime is 749401554247. The next prime is 749401554389. The reversal of 749401554337 is 733455104947.

It is an a-pointer prime, because the next prime (749401554389) can be obtained adding 749401554337 to its sum of digits (52).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 676211827041 + 73189727296 = 822321^2 + 270536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749401554337 is a prime.

It is not a weakly prime, because it can be changed into another prime (749401554637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374700777168 + 374700777169.

It is an arithmetic number, because the mean of its divisors is an integer number (374700777169).

Almost surely, 2^749401554337 is an apocalyptic number.

It is an amenable number.

749401554337 is a deficient number, since it is larger than the sum of its proper divisors (1).

749401554337 is an equidigital number, since it uses as much as digits as its factorization.

749401554337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 749401554337 in words is "seven hundred forty-nine billion, four hundred one million, five hundred fifty-four thousand, three hundred thirty-seven".