745019910547 has 16 divisors (see below), whose sum is σ = 840842402400. Its totient is φ = 653883408640.

The previous prime is 745019910539. The next prime is 745019910563.

745019910547 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 745019910547 - 2³ = 745019910539 is a prime.

It is a super-2 number, since 2×745019910547² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 745019910494 and 745019910503.

It is not an unprimeable number, because it can be changed into a prime (745019910587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4186479 + ... + 4360807.

It is an arithmetic number, because the mean of its divisors is an integer number (52552650150).

Almost surely, 2^745019910547 is an apocalyptic number.

745019910547 is a deficient number, since it is larger than the sum of its proper divisors (95822491853).

745019910547 is a wasteful number, since it uses less digits than its factorization.

745019910547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187766.

The product of its (nonzero) digits is 1587600, while the sum is 52.

The spelling of 745019910547 in words is "seven hundred forty-five billion, nineteen million, nine hundred ten thousand, five hundred forty-seven".