745570811477 has 2 divisors, whose sum is σ = 745570811478. Its totient is φ = 745570811476.

The previous prime is 745570811467. The next prime is 745570811533. The reversal of 745570811477 is 774118075547.

It is an a-pointer prime, because the next prime (745570811533) can be obtained adding 745570811477 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 473510510641 + 272060300836 = 688121^2 + 521594^2 .

It is a cyclic number.

It is not a de Polignac number, because 745570811477 - 2⁶ = 745570811413 is a prime.

It is a super-3 number, since 3×745570811477³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745570811467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372785405738 + 372785405739.

It is an arithmetic number, because the mean of its divisors is an integer number (372785405739).

Almost surely, 2^745570811477 is an apocalyptic number.

It is an amenable number.

745570811477 is a deficient number, since it is larger than the sum of its proper divisors (1).

745570811477 is an equidigital number, since it uses as much as digits as its factorization.

745570811477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7683200, while the sum is 56.

The spelling of 745570811477 in words is "seven hundred forty-five billion, five hundred seventy million, eight hundred eleven thousand, four hundred seventy-seven".