149865986953 has 8 divisors (see below), whose sum is σ = 151408486656. Its totient is φ = 148324638000.

The previous prime is 149865986903. The next prime is 149865986969. The reversal of 149865986953 is 359689568941.

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

It is a cyclic number.

It is not a de Polignac number, because 149865986953 - 2⁹ = 149865986441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149865986903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24651 + ... + 548032.

It is an arithmetic number, because the mean of its divisors is an integer number (18926060832).

Almost surely, 2^149865986953 is an apocalyptic number.

It is an amenable number.

149865986953 is a deficient number, since it is larger than the sum of its proper divisors (1542499703).

149865986953 is a wasteful number, since it uses less digits than its factorization.

149865986953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575375.

The product of its digits is 503884800, while the sum is 73.

The spelling of 149865986953 in words is "one hundred forty-nine billion, eight hundred sixty-five million, nine hundred eighty-six thousand, nine hundred fifty-three".