1545705934979 has 2 divisors, whose sum is σ = 1545705934980. Its totient is φ = 1545705934978.

The previous prime is 1545705934939. The next prime is 1545705935023. The reversal of 1545705934979 is 9794395075451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1545705934979 - 2¹² = 1545705930883 is a prime.

It is a super-3 number, since 3×1545705934979³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1545705934909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 772852967489 + 772852967490.

It is an arithmetic number, because the mean of its divisors is an integer number (772852967490).

Almost surely, 2^{1545705934979} is an apocalyptic number.

1545705934979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1545705934979 is an equidigital number, since it uses as much as digits as its factorization.

1545705934979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326000, while the sum is 68.

The spelling of 1545705934979 in words is "one trillion, five hundred forty-five billion, seven hundred five million, nine hundred thirty-four thousand, nine hundred seventy-nine".