920495951 has 4 divisors (see below), whose sum is σ = 921041352. Its totient is φ = 919950552.

The previous prime is 920495941. The next prime is 920495963. The reversal of 920495951 is 159594029.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 920495951 - 2⁶ = 920495887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920495941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270161 + ... + 273546.

It is an arithmetic number, because the mean of its divisors is an integer number (230260338).

Almost surely, 2^920495951 is an apocalyptic number.

920495951 is a deficient number, since it is larger than the sum of its proper divisors (545401).

920495951 is a wasteful number, since it uses less digits than its factorization.

920495951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545400.

The product of its (nonzero) digits is 145800, while the sum is 44.

The square root of 920495951 is about 30339.6761848244. The cubic root of 920495951 is about 972.7635616359.

The spelling of 920495951 in words is "nine hundred twenty million, four hundred ninety-five thousand, nine hundred fifty-one".