45487929247 has 2 divisors, whose sum is σ = 45487929248. Its totient is φ = 45487929246.

The previous prime is 45487929229. The next prime is 45487929283. The reversal of 45487929247 is 74292978454.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45487929247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45487989247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22743964623 + 22743964624.

It is an arithmetic number, because the mean of its divisors is an integer number (22743964624).

Almost surely, 2^45487929247 is an apocalyptic number.

45487929247 is a deficient number, since it is larger than the sum of its proper divisors (1).

45487929247 is an equidigital number, since it uses as much as digits as its factorization.

45487929247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40642560, while the sum is 61.

The spelling of 45487929247 in words is "forty-five billion, four hundred eighty-seven million, nine hundred twenty-nine thousand, two hundred forty-seven".