45729790949 has 2 divisors, whose sum is σ = 45729790950. Its totient is φ = 45729790948.

The previous prime is 45729790943. The next prime is 45729790969. The reversal of 45729790949 is 94909792754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33655737025 + 12074053924 = 183455^2 + 109882^2 .

It is a cyclic number.

It is not a de Polignac number, because 45729790949 - 2²⁰ = 45728742373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45729790943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22864895474 + 22864895475.

It is an arithmetic number, because the mean of its divisors is an integer number (22864895475).

Almost surely, 2^45729790949 is an apocalyptic number.

It is an amenable number.

45729790949 is a deficient number, since it is larger than the sum of its proper divisors (1).

45729790949 is an equidigital number, since it uses as much as digits as its factorization.

45729790949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51438240, while the sum is 65.

The spelling of 45729790949 in words is "forty-five billion, seven hundred twenty-nine million, seven hundred ninety thousand, nine hundred forty-nine".