545974626479501 has 2 divisors, whose sum is σ = 545974626479502. Its totient is φ = 545974626479500.

The previous prime is 545974626479441. The next prime is 545974626479551. The reversal of 545974626479501 is 105974626479545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 501431669728900 + 44542956750601 = 22392670^2 + 6674051^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545974626479501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545974626479551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272987313239750 + 272987313239751.

It is an arithmetic number, because the mean of its divisors is an integer number (272987313239751).

Almost surely, 2^{545974626479501} is an apocalyptic number.

It is an amenable number.

545974626479501 is a deficient number, since it is larger than the sum of its proper divisors (1).

545974626479501 is an equidigital number, since it uses as much as digits as its factorization.

545974626479501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144000, while the sum is 74.

The spelling of 545974626479501 in words is "five hundred forty-five trillion, nine hundred seventy-four billion, six hundred twenty-six million, four hundred seventy-nine thousand, five hundred one".