149015712669 has 16 divisors (see below), whose sum is σ = 210606117120. Its totient is φ = 93397391360.

The previous prime is 149015712653. The next prime is 149015712689. The reversal of 149015712669 is 966217510941.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 149015712669 - 2⁴ = 149015712653 is a prime.

It is a super-2 number, since 2×149015712669² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149015712689) 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, 1557204 + ... + 1650125.

It is an arithmetic number, because the mean of its divisors is an integer number (13162882320).

Almost surely, 2^149015712669 is an apocalyptic number.

It is an amenable number.

149015712669 is a deficient number, since it is larger than the sum of its proper divisors (61590404451).

149015712669 is a wasteful number, since it uses less digits than its factorization.

149015712669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208260.

The product of its (nonzero) digits is 816480, while the sum is 51.

The spelling of 149015712669 in words is "one hundred forty-nine billion, fifteen million, seven hundred twelve thousand, six hundred sixty-nine".