90480721534 has 8 divisors (see below), whose sum is σ = 155109808368. Its totient is φ = 38777452080.

The previous prime is 90480721459. The next prime is 90480721589. The reversal of 90480721534 is 43512708409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3231454327 + ... + 3231454354.

It is an arithmetic number, because the mean of its divisors is an integer number (19388726046).

Almost surely, 2^90480721534 is an apocalyptic number.

90480721534 is a deficient number, since it is larger than the sum of its proper divisors (64629086834).

90480721534 is a wasteful number, since it uses less digits than its factorization.

90480721534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6462908690.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 90480721534 in words is "ninety billion, four hundred eighty million, seven hundred twenty-one thousand, five hundred thirty-four".