900147347515541 has 4 divisors (see below), whose sum is σ = 900190030800300. Its totient is φ = 900104664230784.

The previous prime is 900147347515477. The next prime is 900147347515543. The reversal of 900147347515541 is 145515743741009.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 539499521582641 + 360647825932900 = 23227129^2 + 18990730^2 .

It is a cyclic number.

It is not a de Polignac number, because 900147347515541 - 2⁶ = 900147347515477 is a prime.

It is a super-2 number, since 2×900147347515541² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900147347515543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21341610746 + ... + 21341652923.

It is an arithmetic number, because the mean of its divisors is an integer number (225047507700075).

Almost surely, 2^{900147347515541} is an apocalyptic number.

It is an amenable number.

900147347515541 is a deficient number, since it is larger than the sum of its proper divisors (42683284759).

900147347515541 is a wasteful number, since it uses less digits than its factorization.

900147347515541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42683284758.

The product of its (nonzero) digits is 10584000, while the sum is 56.

The spelling of 900147347515541 in words is "nine hundred trillion, one hundred forty-seven billion, three hundred forty-seven million, five hundred fifteen thousand, five hundred forty-one".