149947963774 has 24 divisors (see below), whose sum is σ = 262393651800. Its totient is φ = 64079262576.

The previous prime is 149947963727. The next prime is 149947963783. The reversal of 149947963774 is 477369749941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2157892 + ... + 2226295.

It is an arithmetic number, because the mean of its divisors is an integer number (10933068825).

Almost surely, 2^149947963774 is an apocalyptic number.

149947963774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

149947963774 is a deficient number, since it is larger than the sum of its proper divisors (112445688026).

149947963774 is a wasteful number, since it uses less digits than its factorization.

149947963774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384552 (or 4384545 counting only the distinct ones).

The product of its digits is 288054144, while the sum is 70.

The spelling of 149947963774 in words is "one hundred forty-nine billion, nine hundred forty-seven million, nine hundred sixty-three thousand, seven hundred seventy-four".