90142963414669 has 4 divisors (see below), whose sum is σ = 98337778270560. Its totient is φ = 81948148558780.

The previous prime is 90142963414663. The next prime is 90142963414687. The reversal of 90142963414669 is 96641436924109.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90142963414669 - 2⁷ = 90142963414541 is a prime.

It is a super-2 number, since 2×90142963414669² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90142963414669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90142963414663) 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, 4097407427929 + ... + 4097407427950.

It is an arithmetic number, because the mean of its divisors is an integer number (24584444567640).

Almost surely, 2^{90142963414669} is an apocalyptic number.

It is an amenable number.

90142963414669 is a deficient number, since it is larger than the sum of its proper divisors (8194814855891).

90142963414669 is a wasteful number, since it uses less digits than its factorization.

90142963414669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8194814855890.

The product of its (nonzero) digits is 60466176, while the sum is 64.

The spelling of 90142963414669 in words is "ninety trillion, one hundred forty-two billion, nine hundred sixty-three million, four hundred fourteen thousand, six hundred sixty-nine".