190433700749 has 24 divisors (see below), whose sum is σ = 212183074560. Its totient is φ = 170676792576.

The previous prime is 190433700733. The next prime is 190433700811. The reversal of 190433700749 is 947007334091.

It is not a de Polignac number, because 190433700749 - 2⁴ = 190433700733 is a prime.

It is a super-2 number, since 2×190433700749² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190433700349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313112 + ... + 692030.

It is an arithmetic number, because the mean of its divisors is an integer number (8840961440).

Almost surely, 2^190433700749 is an apocalyptic number.

It is an amenable number.

190433700749 is a deficient number, since it is larger than the sum of its proper divisors (21749373811).

190433700749 is a wasteful number, since it uses less digits than its factorization.

190433700749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379037 (or 379020 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 190433700749 in words is "one hundred ninety billion, four hundred thirty-three million, seven hundred thousand, seven hundred forty-nine".