971345749 has 12 divisors (see below), whose sum is σ = 1097460000. Its totient is φ = 852583760.

The previous prime is 971345737. The next prime is 971345773. The reversal of 971345749 is 947543179.

It is not a de Polignac number, because 971345749 - 2⁷ = 971345621 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 (971343749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43249 + ... + 61750.

It is an arithmetic number, because the mean of its divisors is an integer number (91455000).

Almost surely, 2^971345749 is an apocalyptic number.

It is an amenable number.

971345749 is a deficient number, since it is larger than the sum of its proper divisors (126114251).

971345749 is a wasteful number, since it uses less digits than its factorization.

971345749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105068 (or 105039 counting only the distinct ones).

The product of its digits is 952560, while the sum is 49.

The square root of 971345749 is about 31166.4202147119. The cubic root of 971345749 is about 990.3558728082.

The spelling of 971345749 in words is "nine hundred seventy-one million, three hundred forty-five thousand, seven hundred forty-nine".