5425951951 has 4 divisors (see below), whose sum is σ = 6201087952. Its totient is φ = 4650815952.

The previous prime is 5425951943. The next prime is 5425951967. The reversal of 5425951951 is 1591595245.

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 5425951951 - 2³ = 5425951943 is a prime.

It is a super-3 number, since 3×5425951951³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5425951981) 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, 387567990 + ... + 387568003.

It is an arithmetic number, because the mean of its divisors is an integer number (1550271988).

Almost surely, 2^5425951951 is an apocalyptic number.

5425951951 is a deficient number, since it is larger than the sum of its proper divisors (775136001).

5425951951 is an equidigital number, since it uses as much as digits as its factorization.

5425951951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775136000.

The product of its digits is 405000, while the sum is 46.

The square root of 5425951951 is about 73661.0612942822. The cubic root of 5425951951 is about 1757.2166697644.

The spelling of 5425951951 in words is "five billion, four hundred twenty-five million, nine hundred fifty-one thousand, nine hundred fifty-one".