149693018210 has 32 divisors (see below), whose sum is σ = 274820344560. Its totient is φ = 58685605888.

The previous prime is 149693018207. The next prime is 149693018291. The reversal of 149693018210 is 12810396941.

It can be written as a sum of positive squares in 8 ways, for example, as 81938490001 + 67754528209 = 286249^2 + 260297^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356906 + ... + 653274.

Almost surely, 2^149693018210 is an apocalyptic number.

149693018210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149693018210 is a deficient number, since it is larger than the sum of its proper divisors (125127326350).

149693018210 is a wasteful number, since it uses less digits than its factorization.

149693018210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297382.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 149693018210 in words is "one hundred forty-nine billion, six hundred ninety-three million, eighteen thousand, two hundred ten".