45377453773 has 2 divisors, whose sum is σ = 45377453774. Its totient is φ = 45377453772.

The previous prime is 45377453767. The next prime is 45377453777. The reversal of 45377453773 is 37735477354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39442754404 + 5934699369 = 198602^2 + 77037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45377453773 is a prime.

It is a super-2 number, since 2×45377453773² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45377453777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22688726886 + 22688726887.

It is an arithmetic number, because the mean of its divisors is an integer number (22688726887).

Almost surely, 2^45377453773 is an apocalyptic number.

It is an amenable number.

45377453773 is a deficient number, since it is larger than the sum of its proper divisors (1).

45377453773 is an equidigital number, since it uses as much as digits as its factorization.

45377453773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25930800, while the sum is 55.

The spelling of 45377453773 in words is "forty-five billion, three hundred seventy-seven million, four hundred fifty-three thousand, seven hundred seventy-three".