45909095447 has 2 divisors, whose sum is σ = 45909095448. Its totient is φ = 45909095446.

The previous prime is 45909095413. The next prime is 45909095461. The reversal of 45909095447 is 74459090954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45909095447 - 2¹² = 45909091351 is a prime.

It is a super-2 number, since 2×45909095447² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45909095392 and 45909095401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45909095147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22954547723 + 22954547724.

It is an arithmetic number, because the mean of its divisors is an integer number (22954547724).

Almost surely, 2^45909095447 is an apocalyptic number.

45909095447 is a deficient number, since it is larger than the sum of its proper divisors (1).

45909095447 is an equidigital number, since it uses as much as digits as its factorization.

45909095447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 45909095447 in words is "forty-five billion, nine hundred nine million, ninety-five thousand, four hundred forty-seven".