8190972949 has 8 divisors (see below), whose sum is σ = 8403947552. Its totient is φ = 7979020560.

The previous prime is 8190972919. The next prime is 8190972953. The reversal of 8190972949 is 9492790918.

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 8190972949 - 2¹³ = 8190964757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8190972893 and 8190972902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8190972919) 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, 239307 + ... + 271384.

It is an arithmetic number, because the mean of its divisors is an integer number (1050493444).

Almost surely, 2^8190972949 is an apocalyptic number.

It is an amenable number.

8190972949 is a deficient number, since it is larger than the sum of its proper divisors (212974603).

8190972949 is a wasteful number, since it uses less digits than its factorization.

8190972949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511107.

The product of its (nonzero) digits is 2939328, while the sum is 58.

The square root of 8190972949 is about 90503.9941052327. The cubic root of 8190972949 is about 2015.7894313126.

The spelling of 8190972949 in words is "eight billion, one hundred ninety million, nine hundred seventy-two thousand, nine hundred forty-nine".