149674205725690 has 32 divisors (see below), whose sum is σ = 269478280584576. Its totient is φ = 59855303152320.

The previous prime is 149674205725687. The next prime is 149674205725691. The reversal of 149674205725690 is 96527502476941.

149674205725690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×149674205725690² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149674205725691) 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, 2606945424 + ... + 2607002836.

It is an arithmetic number, because the mean of its divisors is an integer number (8421196268268).

Almost surely, 2^{149674205725690} is an apocalyptic number.

149674205725690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149674205725690 is a deficient number, since it is larger than the sum of its proper divisors (119804074858886).

149674205725690 is a wasteful number, since it uses less digits than its factorization.

149674205725690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115494.

The product of its (nonzero) digits is 228614400, while the sum is 67.

The spelling of 149674205725690 in words is "one hundred forty-nine trillion, six hundred seventy-four billion, two hundred five million, seven hundred twenty-five thousand, six hundred ninety".